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Finding the Fourth Proportional to 35,791.90, 53,682.95 and 19,811.00

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Solution

The fourth proportional to 35,791.90, 53,682.95 and 19,811.00 is: 29,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,791.90 : 53,682.95 = 19,811.00 : x
  2. Step 2: Convert to fraction form
    35,791.90/53,682.95 = 19,811.00/x
  3. Step 3: Cross multiply
    35,791.90x = 53,682.95 × 19,811.00
  4. Step 4: Simplify right side
    35,791.90x = 1,063,512,592.13
  5. Step 5: Solve for x
    x = 1,063,512,592.13/35,791.90
  6. Step 6: Final answer
    x = 29,713.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.